According to the United States Census Bureau, the village has a total area of 1.3 square miles (3.4 km2), all of it land. The village is centered on NY 208 which runs through it for the village's two-mile (3.2 km) length in a northeast-southwest orientation, from the small extension in the Town of Hamptonburgh to its northern boundary. By contrast, it is only a mile wide at its widest point, near its south end, and even narrower to the north.

The village is mostly flat, rising up to hills on its west side. The summit of one is its highest elevation, at 520 feet (160 m) above sea level. Maybrook's lowest point is a swampy, undeveloped area in its northeast corner, 360 feet (110 m) in elevation.

In the early 1970s, Governor Nelson Rockefeller's administration saw the potential for Stewart to support the metropolitan area. Its long runway made it particularly attractive for intercontinental service via supersonic transport (SST), then under development in the U.S. and elsewhere.

The Metropolitan Transportation Authority was the first government body to try to convert it into the New York metropolitan area's fourth major airport. It tripled the airport's territory, extending its land well beyond its previous western boundary at Drury Lane, a two-lane rural road. The state government used its eminent domain powers to take 7,500 acres (30 km²) for terminals, runways and a buffer zone expanding the airport from Newburgh into neighboring towns of Montgomery and a small portion of Hamptonburgh. The land was bounded by I-84 to the north, Route 207 along the south and roughly by Rock Tavern and Maybrook in the west.

In 1930 Thomas "Archie" Stewart, an early aviation enthusiast and descendant of prominent local dairy farmer Lachlan Stewart, convinced his uncle Samuel Stewart to donate "Stoney Lonesome", split between the towns of Newburgh and New Windsor, to the nearby city of Newburgh for use as an airport.

As of the census[4] of 2000, there were 3,084 people, 1,043 households, and 780 families residing in the village. The population density was 2,306.3 people per square mile (888.6/km²). There were 1,077 housing units at an average density of 805.4 per square mile (310.3/km²). The racial makeup of the village was 82.81% White, 8.98% African American, 0.29% Native American, 1.20% Asian, 3.99% from other races, and 2.72% from two or more races. Hispanic or Latino of any race were 12.74% of the population.

Downtown

There were 1,043 households out of which 46.3% had children under the age of 18 living with them, 54.3% were married couples living together, 14.7% had a female householder with no husband present, and 25.2% were non-families. 19.9% of all households were made up of individuals and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.41.

In the village, the population was spread out with 32.7% under the age of 18, 8.2% from 18 to 24, 32.8% from 25 to 44, 19.0% from 45 to 64, and 7.4% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 95.2 males. For every 100 females age 18 and over, there were 92.7 males.

The median income for a household in the village was $52,872, and the median income for a family was $56,912. Males had a median income of $40,165 versus $30,385 for females. The per capita income for the village was $19,194. About 3.6% of families and 6.1% of the population were below the poverty line, including 6.9% of those under age 18 and 11.2% of those age 65 or over.

Maybrook is referenced in the seventh volume of The Dark Tower by popular horror novelist Stephen King as the home of minor character Justine Anderson, who is present when the fictionalized version of King is struck by Bryan Smith's van.